Conor McGregor is a BJJ Brown Belt. He was promoted To BJJ Brown Belt After Knock Out win Over Dustin Poirier by his Instructor John Kavanagh. John Kavanagh is the first Irish Black Belt. He’s the owner of the Straight Blast Gym in Ireland. He was also a an MMA fighter  but, according to his words, he was … Continue reading Conor McGregor: Jiu Jitsu is Designed to Kill You